Share-Based Compensation, Common Stock Issuances and Common Stock Assumptions for Options (Details) - Employee Stock Option |
12 Months Ended | ||
|---|---|---|---|
Dec. 28, 2019 |
Dec. 29, 2018 |
Dec. 30, 2017 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Expected volatility | 23.70% | 35.70% | 31.80% |
| Expected dividends | 0.00% | 0.00% | 0.00% |
| Risk-free interest rate | 2.30% | 2.60% | 1.90% |
| Expected term (in years) | 5 years 7 months 6 days | 5 years 4 months 24 days | 5 years 9 months 18 days |